Hiya. My midwife refused to listen to baby's heartbeat at 16 week check for this very reason! She said it's very common that they can't find it so early so they don't like to try in case it causes unecessary stress. Didn't get to hear it until after my 20 week scan. Also didn't feel movements until 18 weeks, and then only very subtley. It's hard but try not to worry.